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// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "base/command_line.h"
#include "base/prefs/pref_service.h"
#include "base/strings/utf_string_conversions.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/browser/ui/tabs/tab_strip_model.h"
#include "chrome/common/chrome_switches.h"
#include "chrome/common/pref_names.h"
#include "chrome/test/base/in_process_browser_test.h"
#include "chrome/test/base/ui_test_utils.h"
#include "content/public/test/browser_test_utils.h"
namespace {
const char kPrefetchPage[] = "files/prerender/simple_prefetch.html";
class PrefetchBrowserTestBase : public InProcessBrowserTest {
public:
explicit PrefetchBrowserTestBase(bool do_predictive_networking,
bool do_prefetch_field_trial)
: do_predictive_networking_(do_predictive_networking),
do_prefetch_field_trial_(do_prefetch_field_trial) {}
virtual void SetUpCommandLine(CommandLine* command_line) OVERRIDE {
if (do_prefetch_field_trial_) {
command_line->AppendSwitchASCII(
switches::kForceFieldTrials,
"Prefetch/ExperimentYes/");
} else {
command_line->AppendSwitchASCII(
switches::kForceFieldTrials,
"Prefetch/ExperimentNo/");
}
}
virtual void SetUpOnMainThread() OVERRIDE {
browser()->profile()->GetPrefs()->SetBoolean(
prefs::kNetworkPredictionEnabled, do_predictive_networking_);
}
bool RunPrefetchExperiment(bool expect_success, Browser* browser) {
CHECK(test_server()->Start());
GURL url = test_server()->GetURL(kPrefetchPage);
const base::string16 expected_title =
expect_success ? base::ASCIIToUTF16("link onload")
: base::ASCIIToUTF16("link onerror");
content::TitleWatcher title_watcher(
browser->tab_strip_model()->GetActiveWebContents(), expected_title);
ui_test_utils::NavigateToURL(browser, url);
return expected_title == title_watcher.WaitAndGetTitle();
}
private:
bool do_predictive_networking_;
bool do_prefetch_field_trial_;
};
class PrefetchBrowserTestPredictionOnExpOn : public PrefetchBrowserTestBase {
public:
PrefetchBrowserTestPredictionOnExpOn()
: PrefetchBrowserTestBase(true, true) {}
};
class PrefetchBrowserTestPredictionOnExpOff : public PrefetchBrowserTestBase {
public:
PrefetchBrowserTestPredictionOnExpOff()
: PrefetchBrowserTestBase(true, false) {}
};
class PrefetchBrowserTestPredictionOffExpOn : public PrefetchBrowserTestBase {
public:
PrefetchBrowserTestPredictionOffExpOn()
: PrefetchBrowserTestBase(false, true) {}
};
class PrefetchBrowserTestPredictionOffExpOff : public PrefetchBrowserTestBase {
public:
PrefetchBrowserTestPredictionOffExpOff()
: PrefetchBrowserTestBase(false, false) {}
};
// Privacy option is on, experiment is on. Prefetch should succeed.
IN_PROC_BROWSER_TEST_F(PrefetchBrowserTestPredictionOnExpOn, PredOnExpOn) {
EXPECT_TRUE(RunPrefetchExperiment(true, browser()));
}
// Privacy option is on, experiment is off. Prefetch should be dropped.
IN_PROC_BROWSER_TEST_F(PrefetchBrowserTestPredictionOnExpOff, PredOnExpOff) {
EXPECT_TRUE(RunPrefetchExperiment(false, browser()));
}
// Privacy option is off, experiment is on. Prefetch should be dropped.
IN_PROC_BROWSER_TEST_F(PrefetchBrowserTestPredictionOffExpOn, PredOffExpOn) {
EXPECT_TRUE(RunPrefetchExperiment(false, browser()));
}
// Privacy option is off, experiment is off. Prefetch should be dropped.
IN_PROC_BROWSER_TEST_F(PrefetchBrowserTestPredictionOffExpOff, PredOffExpOff) {
EXPECT_TRUE(RunPrefetchExperiment(false, browser()));
}
// Bug 339909: When in incognito mode the browser crashed due to an
// uninitialized preference member. Verify that it no longer does.
IN_PROC_BROWSER_TEST_F(PrefetchBrowserTestPredictionOnExpOn, IncognitoTest) {
Profile* incognito_profile = browser()->profile()->GetOffTheRecordProfile();
Browser* incognito_browser = new Browser(
Browser::CreateParams(incognito_profile, browser()->host_desktop_type()));
// Navigate just to have a tab in this window, otherwise there is no
// WebContents for the incognito browser.
ui_test_utils::OpenURLOffTheRecord(browser()->profile(), GURL("about:blank"));
EXPECT_TRUE(RunPrefetchExperiment(true, incognito_browser));
}
} // namespace
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